No Power Required: Simply press the rim of your pitcher or cup against the star-shaped base to activate the nozzle. Multi-Function: The rinser stops automatically when you remove the vessels. Four powerful water spray holes provide multidimensional cleaning. Energy Conservation: Saves more than 70% water and won't freeze your hand in winter. Widely Used: An ideal tool for your bar, restaurant, pub, home, cafes, milk tea shop, etc. Applicable cup type: Red wine glass, beer glass, coffee cup, milk container, beverage cup, tea cup, etc. No power needed! It effectively cleans milk deposits and coffee stains. Water sprays into the vessels for thorough cleaning. The water sprays 360 degrees to clean both the interior and exterior and stops automatically when the cup is removed. A great kitchen accessory that efficiently saves you time with your family and friends. Offers perfect washing performance with cold water! The pitcher rinsers won't break glass and can easily and effectively clean lipstick and other stains. Suitable for various types and sizes of beer glass/cup. Washing method: High pressure cleaning Mounting hole size: 22mm Colour: Silver + black Material: Brass, stainless steel, and plastic Package Contents: 5 x Wash Cup tool Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement allowable error is +/- 1-3cm.